计算:|﹣3|+(π﹣2019)0﹣2sin30°+(
)﹣1
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
更新时间:2019-04-18 23:24:24
|
相似题推荐
解答题-计算题
|
适中
(0.65)
名校
【推荐1】(1)计算:
;
(2)解方程:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ed0d67e77070425392b51a7f52580d.png)
(3)先化简,再求值:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2181f6f71c0b2a8a610573bc396ff98.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ed0d67e77070425392b51a7f52580d.png)
(3)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f4470db8fecbe569880b2ea0476765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】根据已知条件解决下列问题
(1)在等式
,当
时,
;当
时,
;当
时,
.求
,
,
的值;
(2)已知
是
的整数部分,
是
的小数部分.
①求
,
的值;
②求
的平方根.
(1)在等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bbf68714436abcc9a8fdc01bd04895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806c0ee9c41c0accc711dd325aefa26f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad09094cca88a3c7ff8c390e5e55992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6a43639178db285b55e7b88157cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e5ceb20254b816d565db81656c391d.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c713a24836db13659ce7e0742e33a8.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐1】(1)计算: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd6ad2fb2a4b68d940b9a8439c066a7.png)
(2)化简
,从
中选一个整数值代入求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd6ad2fb2a4b68d940b9a8439c066a7.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b497d00fffc9a8e6967991241a937f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16589640a4b86c5c10620b267884982.png)
您最近一年使用:0次